Should one see a wise man, as if indicating a hidden treasure,

Nidhīnaṃva pavattāraṃ, yaṃ passe vajjadassinaṃ;

Niggayhavādiṃ medhāviṃ, tādisaṃ paṇḍitaṃ bhaje;

Tādisaṃ bhajamānassa, seyyo hoti na pāpiyo.

Should one see a wise man, as if indicating a hidden treasure,

points out faults and reproves, 

let one associate with such a wise person.

Well is it, not ill, to cultivate the acquaintance of such a one.

Dhammapada, 76.